IET Labs 1565-E Скачать руководство пользователя

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.3 Troubleshooting

1.) Setting

RANGE

switch to

does

not turn on the SLM. - Replace battery

2.) Meter Tracking is not within ±1.5 dB -

1565-E requires factory service
3.) 1565-E does not display 94 dB when set

to internal calibration function of when using

external calibrator. - Adjust calibration poten-

tiometer on front panel This is a normal part of

operation of the 1565-E

4.4 Block Diagram

A block diagram showing the basic multimeter

design is shown below.

Block Diagram

Содержание 1565-E

Страница 1: ...REPRODUCTION AND DISTRIBUTION OF THIS TECHNICAL MANUAL IS AUTHORIZED FOR U S GOVERNMENT PURPOSES...

Страница 2: ......

Страница 3: ...charge when returned to IET Changes in this product not approved by IET or application of voltages or currents greater than those allowed by the speci cations shall void this warranty IET shall not b...

Страница 4: ...E USED TAKE ALL MEASURES TO AVOID ACCIDENTAL CONTACT WITH ANY LIVE COMPONENTS USE MAXIMUM INSULATION AND MINIMIZE THE USE OF BARE CONDUCTORS WHEN USING THIS INSTRUMENT Use extreme caution when working...

Страница 5: ...2 Connection 7 3 2 1 General Considerations 7 3 2 2 Electrical Considerations 7 3 2 3 Four Wire Kelvin Lead Connections 7 3 2 4 Thermal emf Considerations 7 3 3 Dial Setting 8 3 4 Environmental Condit...

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Страница 7: ...aped for comfort able hand held operation and tapered at the microphone end to minimize the effect of case diffraction It consists of the following elements a mi crophone to pickup sound an ampli er t...

Страница 8: ...range set by range select switch Power One 9V 6F22 or equivenent alkaline battery supplied provides 50 hours of opera tion Environmental Temperature 0 to 50 C operating 40 to 60 C storage with batteri...

Страница 9: ...FIGURE 2 1 Typical OPERATING GUIDE Af xed to Unit Please see label af xed to your unit...

Страница 10: ...Sound Level Meter Instruction Manual 2 Carry case for SLM and accessories 1565 E CASE 3 Windscreen 1565 E WS 4 Adjustment screwdriver 1565 0440 01 5 9 V battery 6F22 6 Phone plug for ac dc output 156...

Страница 11: ...s 3 2 2 FAST SLOW Response Time Select either FAST 125msec response or SLOW 1sec response measurement mode via the RESPONSE switch Selection of Fast or Slow is determined by the application and any di...

Страница 12: ...3 3 2 External Calibration Attach an external sound level calibrator such as the IET Labs 1562 A Sound Level Calibra tor 1kHz at 114 dB or similar calibrator at 94 dB or 114 dB completely over the mic...

Страница 13: ...1565 E worksheet Insert the microphone of the DUT fully into the transducer of the 1986 Set the DUT measurement speed to fast This speed will be used for all tests Turn on the DUT and select C weight...

Страница 14: ...uency Characteristics C Weighting 125 Hz 113 8 dB HI 112 3 115 3 dB 250 Hz 114 0 dB 112 5 115 5 dB 500 Hz 114 0 dB 112 5 115 5 dB 1 kHz 114 0 dB 112 5 115 5 dB 2 kHz 113 8 dB 112 3 115 3 dB 4 kHz 113...

Страница 15: ...window 1565 E 200 can be scratched Care should be taken to clean with soft cloth 4 3 3 Disassembly of the 1565 E The 1565 E can be disassembled by removing the two screws located on the rear of the 1...

Страница 16: ...565 E requires factory service 3 1565 E does not display 94 dB when set to internal calibration function of when using external calibrator Adjust calibration poten tiometer on front panel This is a no...

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